com.gitee.sunchenbin.mybatis.actable.annotation.IsNotNull Maven / Gradle / Ivy
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A.CTable is a Maven project based on Spring and Mybatis, which enhances the function of Mybatis
package com.gitee.sunchenbin.mybatis.actable.annotation;
import java.lang.annotation.*;
/**
* 标志该字段不允许为空
* 也可通过注解：com.gitee.sunchenbin.mybatis.actable.annotation.Column的isNull属性实现
* @author sunchenbin
* @version 2020年5月26日 下午6:13:15
*/
// 该注解用于方法声明
@Target(ElementType.FIELD)
// VM将在运行期也保留注释，因此可以通过反射机制读取注解的信息
@Retention(RetentionPolicy.RUNTIME)
// 将此注解包含在javadoc中
@Documented
public @interface IsNotNull {
}